Home / 9,887.28-13,644.33-5,410.99

Finding the Fourth Proportional to 9,887.28, 13,644.33 and 5,410.99

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Solution

The fourth proportional to 9,887.28, 13,644.33 and 5,410.99 is: 7,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.28 : 13,644.33 = 5,410.99 : x
  2. Step 2: Convert to fraction form
    9,887.28/13,644.33 = 5,410.99/x
  3. Step 3: Cross multiply
    9,887.28x = 13,644.33 × 5,410.99
  4. Step 4: Simplify right side
    9,887.28x = 73,829,333.19
  5. Step 5: Solve for x
    x = 73,829,333.19/9,887.28
  6. Step 6: Final answer
    x = 7,467.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.